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3 years ago

PLEASE HELP!!!!!!! What is the mean absolute deviation (MAD) of the data set?

Mathematics

1 answer:

melisa1 [442]3 years ago

7 0

Answer: 2.8

Step-by-step explanation:

The mean of the data set it 10. Then find the difference between the mean and each data value. |10-5|=5 do this for all of them. You get 5,1,1,1,6. Now find the mean of the these new data value. 5+1+1+1+6=14 14/5=2.8

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For this case we have that by definition, the line equation of the slope-intersection form is given by:

$y = mx + b$

Where:

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b: It is the cut-off point with the y axis

According to the statement we have:

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Thus, the equation is of the form:

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We substitute the given point and find "b":

$-4 = \frac {1} {2} (1) + b\\-4 = \frac {1} {2} + b\\-4- \frac {1} {2} = b\\b = - \frac {9} {2}$

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Answer:

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Step-by-step explanation:

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